Quarterly Percent
1999-04-01 93
2000-04-01 95.5
2001-04-01 93.3
2002-04-01 92
2003-01-01 90.7
2003-04-01 87.6
2003-07-01 88.7
2003-10-01 91.5
2004-01-01 89.1
2004-04-01 89.5
2004-07-01 87.1
2004-10-01 92.3
2005-01-01 89.2
2005-04-01 88.4
2005-07-01 89.5
2005-10-01 91.5
2006-01-01 92.8
2006-04-01 89.4
2006-07-01 86.4
2006-10-01 90.2
2007-01-01 91.6
2007-04-01 91
2007-07-01 88.3
2007-10-01 89.5
2008-01-01 88.6
2008-04-01 91.6
2008-07-01 90.6
2008-10-01 91.5
2009-01-01 90.2
2009-04-01 87.4
2009-07-01 87.7
2009-10-01 89
2010-01-01 89
2010-04-01 87.3
2010-07-01 85.5
2010-10-01 89.2
2011-01-01 89.4
2011-04-01 88
2011-07-01 86.7
2011-10-01 89.2
2012-01-01 86.7
2012-04-01 86.8
2012-07-01 86.9
2012-10-01 88.1
2013-01-01 89.4
2013-04-01 90.3
2013-07-01 89.1
2013-10-01 90.7
2014-01-01 91.8
2014-04-01 92.6
2014-07-01 90.3
2014-10-01 90.9
2015-01-01 91.3
2015-04-01 91.1
2015-07-01 93.3
2015-10-01 91.7
2016-01-01 91.6
2016-04-01 93.5
2016-07-01 93.0
2016-10-01 90.6
2017-01-01 93.4
2017-04-01 91.0
2017-07-01 88.0
2017-10-01 91.1
2018-01-01 87.7
2018-04-01 86.4
